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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1772169Generated: October 31, 2026

Trifluoroacetic acid → N-[6-(2-aminopropanamido)-4-chloropyridin-2-yl]pyridine-2-carboxamide

https://huagongshe.com/reaction/1772169

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactanttert-butyl-N-(1-{[4-chloro-6-(pyridine-2-amido)pyridin-2-yl]carbamoyl}-ethyl)carbamateHCID 117902536—
SolventDichloromethaneHCID 6344—
ProductN-[6-(2-aminopropanamido)-4-chloropyridin-2-yl]pyridine-2-carboxamideHCID 117902638—

Reaction Steps

tert-butyl-N-(1-{[4-chloro-6-(pyridine-2-amido)pyridin-2-yl]carbamoyl}ethyl)carbamate K56 (27 mg, 64 μmol) in DCM:TFA=9:1 (3 ml) is stirred at RT for 2 h. The mixture is diluted with DCM and extracted with a saturated aqueous sodium hydrogencarbonate solution. The combined organic layers are dried over MgSO4 and concentrated in vacuo. The product is purified by RP HPLC. Yield: 12 mg (58%). HPLC-MS: M+H=320; tR=1.57 min (METHOD—1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09249151B2
Source datasetuspto-grants-2016_02
ORD IDord-4ebe9d5d7f864de0a5c41e0bcb4af43a
Source noteuspto-grants-2016_02